2-MHz clocked LCD drivers on glass

Author

De Rycke, Igor ; Van Calster, André ; Vanfleteren, Jan ; De Baets, Johan ; Doutreloigne, Jan ; De Smet, Herbert ; Vetter, Peter

Author_Institution

Lab. of Electron., Ghent State Univ., Belgium

Volume

25

Issue

2

fYear

1990

fDate

4/1/1990 12:00:00 AM

Firstpage

531

Lastpage

538

Abstract

A poly-CdSe thin-film transistor (TFT) liquid crystal display (LCD) driver circuit which is integrated on the display itself, reducing the interconnections to the display, is described. The circuit can be used to drive the rows as well as the columns of active and passive matrix LCDs. Drivers made in a 25-μm technology operate at frequencies up to 2 MHz. Simulations indicate a maximum operating frequency of 8 MHz for a 12.5-μm technology. By using a time-multiplexing addressing scheme, gray scales can be obtained. In order to address high-resolution displays with gray scales, parallel operating drivers can be used, requiring only one extra connection per parallel driver

Keywords

II-VI semiconductors; MOS integrated circuits; cadmium compounds; driver circuits; liquid crystal displays; thin film transistors; 12.5 micron; 2 MHz; 25 micron; 8 MHz; LCD drivers; TFT; active matrix type; column driving; glass substrate; gray scales; high-resolution displays; liquid crystal display; parallel operating drivers; passive matrix; polycrystalline CdSe technology; row driving; thin-film transistor; time-multiplexing addressing scheme; Active matrix technology; Circuit simulation; Clocks; Driver circuits; Frequency; Glass; Integrated circuit interconnections; Integrated circuit technology; Liquid crystal displays; Thin film transistors;

fLanguage

English

Journal_Title

Solid-State Circuits, IEEE Journal of

Publisher

ieee

ISSN

0018-9200

Type

jour

DOI

10.1109/4.52181

Filename

52181